[PSUBS-MAILIST] SEMjr - DIY Electronic Project

[Alan via Personal_Submersibles]

Jon,
I was meaning it will be much cheaper building your unit that integrates
Several sensors & displays on one screen than buy individual CO2, O2, pressure etc
monitors (units)
Alan


> On 9/12/2020, at 10:46 AM, Jon Wallace via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> Individual monitors?  Not sure what you mean.
> 
> Jon
> 
> 
> 
> On Tuesday, December 8, 2020, 01:26:16 PM EST, Alan James via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> 
> Jon, 
> that unit will save people a lot of money over the expense of buying individual monitors. 
> There are very cheap rf modules if anyone had a need to go wireless. 
> Alan
> 
> 
> On Tuesday, December 8, 2020, 02:24:18 PM GMT+13, Jon Wallace via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> 
> Wired, Alan.  None of the sensors are WIFI capable.  CO2/O2 sensors are TTL serial.  Barometer, Temp, Humidity sensors are I2C.  
> 
> Jon
> 
> 
> On Monday, December 7, 2020, 05:20:13 PM EST, Alan James via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> 
> Looks great Jon, 
> so does the CO2, O2 module transmit wirelessly to this module? Noticed there were several tx rx pins on it. 
> Alan
> 
> On Tuesday, December 8, 2020, 10:39:23 AM GMT+13, Jon Wallace via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> 
> Here's the first SEMJR-101 assembled and ready for testing.  Documentation and video are in progress.
> 
> 
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